A compact monopole antenna for ultra‐wideband applications

Saha, Tonmoy Kumar; Goodbody, Carlene; Karacolak, Tutku; Sekhar, Praveen Kumar

doi:10.1002/mop.31519

Cited by 35 publications

(27 citation statements)

References 16 publications

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“…The SWB antennas have been reported in Refs. to overcome these issues of low‐frequency BW, BDR, fractional BW, and less electrical dimensions. The major problem in the design of such SWB antennas is the compactness with the extremely wideband operation.…”

Section: Introductionmentioning

confidence: 99%

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Compact design of trapezoid shape monopole antenna for SWB application

Rahman

Cao

Ullah

et al. 2019

Micro & Optical Tech Letters

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In this article, a compact design of the monopole antenna is proposed for the super‐wideband application (SWB). The extremely wide frequency bandwidth is achieved by deploying a topology based on trapezoid shape radiator, triangular tapered feed line, and semicircular ground. The antenna shows resonance from 1.42 GHz to more than 90 GHz with a bandwidth ratio of 63.30:1, VSWR ≤2 and with S11 ≤ −10 dB. The electrical dimension of the monopole antenna is 0.16λc × 0.27λc where the wavelength λc is with respect to the lowest cut‐off frequency. The designed monopole antenna is fabricated on the F4B substrate. The prototype is experimentally validated for ultrawideband and SWB application. The experimental and simulated results are in good agreement and the designed antenna shows better performance of a wideband operation, compact electrical dimension, and high bandwidth dimension ratio over existing reported structures. The proposed antenna can be used for multiple bands such are ISM, Wi‐Fi, WLAN, WiMAX, C, S, X, K, and Ku bands.

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Section: Introductionmentioning

confidence: 99%

“…In Ref. , a wideband monopole antenna has been designed have a large size of 0.37 λ × 0.23 λ and bandwidth ratio is very small of 10:1 and the lowest resonance frequency is 4 GHz. In Ref.…”

Section: Introductionmentioning

confidence: 99%

Compact design of trapezoid shape monopole antenna for SWB application

Rahman

Cao

Ullah

et al. 2019

Micro & Optical Tech Letters

View full text Add to dashboard Cite

show abstract

“…In [19], a hemispherical monopole with ground plane at the back-end was proposed offering a frequency range of 2.8 to 11.97 GHz and an elliptic patch antenna was discussed as a body-coupled wideband antenna with close to 4 GHz bandwidth in [20]. A circular monopole antenna with a pentagonal cut on the radiating element and ground plane on the back-end exhibited a huge bandwidth from 4 GHz to 40 GHz in [21]. Therefore, there is a need to design antennas which can support future UWB systems with wider bandwidths, without compromising on the ground plane and feedline.…”

Section: Introductionmentioning

confidence: 99%

A 3 – 18 GHz UWB Antenna with modified feed-line

Itapu¹

2021

Preprint

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A Co-Planar Waveguide fed circular ultra-wide band antenna with modified ground-plane and feedline is designed on a FR4 (ϵr=4.3) substrate of thickness 0.01λ0. The proposed antenna exhibits an overall impedance bandwidth ranging from 2.99 GHz to 18.0 GHz and beyond (with S11< -10 dB). Design parameters have been optimized to achieve the UWB bandwidth. The measured radiation patterns of this antenna are omnidirectional in H- plane and bidirectional in E-plane. An extended impedance bandwidth is achieved as a result of modified feed-line. The proposed antenna can be used for medical imaging and urban IoT applications.

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“…The bandwidth (BW) ratio of SWB antennas is greater than 10:1. Multiple wideband antennas have been designed for UWB [1][2][3][4][5] and SWB [6][7][8][9][10][11][12][13][14][15] applications. The large dimensions/size of such wideband antennas is a major challenge.…”

Section: Introductionmentioning

confidence: 99%

Design of SWB MIMO Antenna with Extremely Wideband Isolation

et al. 2020

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This paper presents a compact planar multiple input multiple output (MIMO) antenna for super wide band (SWB) applications. The presented MIMO antenna comprises two identical patches on the same substrate. Dimensions of the MIMO antenna are 0.17λ × 0.20λ × 0.006λ mm3, with respect to the lowest resonance of 1.30 GHz. The SWB antenna was manufactured using F4B substrate having a dielectric constant of 2.65 that provides a percent impedance bandwidth and bandwidth ratio of 187% and 30.76:1, respectively. The mutual coupling between the antenna elements is suppressed by placing a T-shaped corrugated strip in the mid of two antenna elements. The proposed MIMO antenna exhibits maximum diversity gain of 10 dB, low mutual coupling (<−20 dB), low envelope correlation coefficient (ECC < 0.02), efficiency >80%, and low reflection coefficient (<−10 dB) in the SWB frequency range (1.30 GH–40 GHz). The presented antenna is a good candidate for SWB applications. The designed antenna has been experimentally validated, and the simulated results were also verified.

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A compact monopole antenna for ultra‐wideband applications

Cited by 35 publications

References 16 publications

Compact design of trapezoid shape monopole antenna for SWB application

Compact design of trapezoid shape monopole antenna for SWB application

A 3 – 18 GHz UWB Antenna with modified feed-line

Design of SWB MIMO Antenna with Extremely Wideband Isolation

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